nonspd: Add support for DDR4 type

This change adds DDR4 support to nonspd_print_field so that it can
identify the memory type correctly in mosys output.

BUG=b:127609572
BRANCH=None
TEST=None

Change-Id: I4b555917a96b868a575761c090596e16123f96bc
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1511675
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed